CN105863691A - Fully mechanized coal mining face support retracting roof supporting construction method - Google Patents
Fully mechanized coal mining face support retracting roof supporting construction method Download PDFInfo
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- CN105863691A CN105863691A CN201610298365.6A CN201610298365A CN105863691A CN 105863691 A CN105863691 A CN 105863691A CN 201610298365 A CN201610298365 A CN 201610298365A CN 105863691 A CN105863691 A CN 105863691A
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- Prior art keywords
- support
- cover frame
- frame
- crossheading
- construction method
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/60—Devices for withdrawing props or chocks
- E21D15/606—Devices for withdrawing props or chocks the props being moved systematically
Abstract
The invention belongs to the technical field of coal mine safety production, and particularly relates to a fully mechanized coal mining face support retracting roof supporting construction method. Three shield supports assist in supporting a roof, roof supporting of channels and roof supporting of the old gob side are well taken into account, therefore, usage of mine timbers is greatly reduced, and the construction processes are simplified; especially for the working face with the large inclination angle, security threat brought by mine timber carrying and using is greatly reduced, the labor intensity of staff is relieved, input of constructors is reduced, and the construction safety coefficient is increased.
Description
Technical field
It is that invention belongs to Safety of Coal Mine Production technical field, is specifically related to a kind of fully-mechanized mining working rack restoring top
Slab supporting construction method.
Background technology
As it is shown in figure 1, coal mining region mainly includes coal-face 10, and coal-face 10 liang
The upper crossheading 101 of end and lower crossheading 102, upper crossheading 101 is mainly used in equipment and material transportation, lower crossheading
102 are mainly used in producing coal system and electric power system, and work surface 10 is then the nucleus of coal mining, work
Face 10 is arranged generally according to the natural trend in coal seam, and in most cases, work surface 10 is all in slope
Shape, in recovery process, the Way out of work surface crossheading 101,102 the most up and down advances, meanwhile,
The mined out region at work surface 10 rear can gradually subside, and this side that subsides is referred to as old man side, old man side and coal face
Between must be provided with supporting construction top board carried out supporting, prior art mainly uses the hydraulic support of integral type
Carrying out supporting, multiple hydraulic supports are arranged side by side, and form a corridor connecting upper and lower crossheading 101,102.
After the seam mining in a region is complete, need the equipment in work surface is removed.Combine
The dismounting of mining face equipment, the supporting to top board is particularly important, is also most crucial the most dangerous in projects
Engineering, not only support material amount uses big, and threat of constructing is big.Through improvement for many years and innovation,
Use one or two cover frame auxiliary shoring top boards, the technique of striking are defined.But no matter
It is that the use of one or two cover frame fails to effectively solve to reduce the problem using mine timber supporting, thus
The most not reducing worker's carrying, the operation of use mine timber, worker's labor intensity is the biggest, and supporting mine timber is pacified
Full threat is the biggest.
Summary of the invention
The technical problem to be solved of the present invention is how to reduce work during fully-mechanized mining working support removing
Intensity and cost.
The present invention is to solve above-mentioned technical problem by the following technical solutions:
A kind of fully-mechanized mining working rack restoring roof timbering construction method, each hydraulic support in work surface under
The most named 1st support in supreme crossheading side, crossheading side, the 2nd support, the 3rd support ... n-th
Frame, comprises the steps:
Step 1: will be located in work surface and remove with the 1st support in lower crossheading overlapping region；
Step 2: select the 4th support as the first cover frame, the 4th support is drawn to and rib parallel orientation,
Making the frame head of the 4th support towards upper crossheading, frame tail is towards lower crossheading, and makes the 4th support frame head and the 5th
Frame is concordant；
Step 3: select the 3rd support as the second cover frame, the 3rd support is drawn to and rib parallel orientation,
It is made to be arranged side by side with the first cover frame；
Step 4: select the 2nd support as the 3rd cover frame, the 2nd support is drawn to and rib parallel orientation,
Make it be arranged side by side with first, second cover frame, and make the 3rd cover frame near the side and the 5th of old man side
Support front column is concordant；
Step 5: removed successively crossheading side on the side from lower crossheading one by residue support, simultaneously by first,
Two, the 3rd cover frame upwards crossheading one layback moves, and drawing shifting order is the 3rd cover frame → the second cover frame → the
One cover frame, wherein second, third cover frame often removes a support, draws the distance moving a support width,
First cover frame often removes two supports, draws the distance moving two support widths；
Step 7: after all supports are removed completely, according to the 3rd cover frame → the second cover frame → the first cover frame
Orderly release cover frame.
Further, in described step 1, after the 1st support removing, in the 1st support origin-location and
Lower crossheading mouth respectively arranges a grillage.
Further, in step 2, in 3, the 3rd, after the 4th support removing, the 3rd, the 4th support former
That comes that position is provided for supporting roof moves towards marguise.
Further, in step 4, after the 2nd support removing, wood is set at the 2nd support origin-location
Buttress.
Further, in steps of 5, a support is often removed, just at this support by old man's side frame nest position
Arrange and move towards marguise.
Further, after last three support removing of upper crossheading side, at these three support origin-location
Multiple somes posts or hydraulic prop, each point post or hydraulic prop upper end are set and withstand on frame top along mountain I-shaped
Steel and moving towards on steel I-beam.
Further, in step 7, after the 3rd cover frame is removed, arrange in the 3rd cover frame origin-location
Multiple somes posts, each point post upper end withstands on the moving towards on steel I-beam of frame top.
Further, in step 7, after the second cover frame is removed, arrange in the second cover frame origin-location
Two grillages.
Further, in step 7, after the first cover frame is removed, by rib side hydraulic prop point
Post is replaced, and at upper crossheading and work surface handover region fragmentary set-point post, strengthens top plate supporting.
Preferably, described each cover frame uses drawing hoist to coordinate pulley to carry out drawing shifting and helping, and by single
The direction of cover frame is adjusted by body hydraulic prop；After cover frame is formed, anchor chain is used to coordinate shackle one end
Being fixed on the first cover frame, the other end is fixed on support to be removed passage head, uses feed flow from moving mode
Support to be torn open is drawn shifting, and coordinates winch to help and hydraulic prop tuning；Need in work before striking
Make support foot to be removed leading face upper, middle and lower portion, face and multi-section drawing hoist is installed altogether, for the dismounting of support
And beat fortune, depending on concrete winch quantity is according to tendency length corresponding to work surface, along with the dismounting winch of support
Need and constantly the most upwards crossheading direction is moved or directly removed, utilize the winch at rear.
It is an advantage of the current invention that: by using three cover frame auxiliary shoring top boards, well taken into account logical
Road and the roof timbering of old man side so that after support removing, do not carried out by rib side cover frame posterior approach
Supporting, thus greatly reduce the use of mine timber, simplify working procedure, work especially for high inclination-angle
Face, greatly reduces carrying, the security threat using mine timber to bring, alleviates worker's labor intensity, subtract
Lack the input of workmen, increase construction safety coefficient.
Accompanying drawing explanation
Fig. 1 is coal-face structural representation；
Fig. 2 to Fig. 5 is the structural representation that cover frame arranges the stage；
Fig. 6 to Fig. 8 is that cover frame draws shifting process schematic；
Fig. 9 to Figure 12 is to withdraw finishing phase work progress schematic diagram.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in detail.
A kind of fully-mechanized mining working rack restoring roof timbering construction method, each hydraulic support in work surface under
The most named 1st support in supreme crossheading side, crossheading side, the 2nd support, the 3rd support ... n-th
Frame, comprises the steps:
Step 1: as in figure 2 it is shown, will be located in work surface 10 and the 1st in lower crossheading 102 overlapping region
Frame 11 removes；
Step 2: as it is shown on figure 3, selection the 4th support 14 is as the first cover frame 21, by the 4th support 14
Be drawn to and rib parallel orientation, make the frame head of the 4th support 14 towards upper crossheading, frame tail towards lower crossheading,
And make the frame head of the 4th support 14 and the 5th support concordant；
Step 3: as shown in Figure 4, selection the 3rd support 13 is as the second cover frame 22, by the 3rd support 13
It is drawn to and rib parallel orientation so that it is be arranged side by side with the first cover frame 21；
Step 4: as it is shown in figure 5, selection the 2nd support 12 is as the 3rd cover frame 23, by the 2nd support 12
It is drawn to and rib parallel orientation so that it is be arranged side by side with first, second cover frame 21,22, and make the 3rd
Cover frame 23 is concordant with the 5th support 15 front column near the side of old man side；
Step 5: as shown in Fig. 6,7,8, will remain support from lower crossheading 102 1 crossheading 101 1 on the side
Side is removed successively, simultaneously by first, second, third cover frame 21,22,23 upwards crossheading 101 1 layback
Moving, drawing shifting order is the 3rd cover frame 23 → the second cover frame 22 → the first cover frame 21；Wherein the 2nd 22,
3rd 23 cover frame often removes a support, draws the distance moving a support width；First cover frame 21 is every
Remove two supports, draw the distance moving two support widths；When support is from lower crossheading 102 1 crossheading on the side
101 sides are removed successively, simultaneously by first, second, third cover frame 21,22,23 upwards crossheading 101
After one layback moves, carry out supporting by shield support rear, rib side not in use by any support material.
Step 7: as shown in Fig. 9 to Figure 12, after all supports are removed completely, according to the 3rd cover frame 23 →
The orderly release cover frame of the second cover frame 22 → the first cover frame 21.
Further, in described step 1, after the 1st support 11 is removed, in the 1st original position of support 11
Put and lower crossheading mouth respectively arranges a grillage 105.
Further, in step 2, in 3, after the 3rd, the 4th support 13,14 is removed, the 3rd, the 4th
Be provided for supporting roof at support 13,14 origin-location moves towards marguise 106.
Further, in step 4, after the 2nd support 12 is removed, at the 2nd support 12 origin-location
Grillage 105 is set.
Further, in steps of 5, a support is often removed, just at this support by old man's side frame nest position
Arrange and move towards marguise 106.
Further, after last three support removing of upper crossheading 101 side, in the original position of these three support
The place of putting is arranged on multiple somes posts 107 or hydraulic prop 108, each point post 107 or hydraulic prop 108
End withstands on frame top and along mountain I-steel and moves towards on steel I-beam.
Further, in step 7, after the 3rd cover frame 23 is removed, in the 3rd original position of cover frame 23
Installing multiple somes posts 107, each point post 107 upper end withstands on the moving towards on steel I-beam of frame top.
Further, in step 7, after the second cover frame 22 is removed, in the second original position of cover frame 22
Install two grillages 105.
Further, in step 7, after the first cover frame 21 is removed, by rib side hydraulic prop 108
Replace with a post 107, and at upper crossheading 101 and work surface 10 handover region fragmentary set-point post 107, add
Strong top plate supporting.
Preferably, described each cover frame uses drawing hoist to coordinate pulley 103 to carry out drawing shifting and helping, and leads to
Cross hydraulic prop the direction of cover frame is adjusted；After cover frame is formed, anchor chain is used to coordinate shackle
One end is fixed on the first cover frame 21, and the other end is fixed on support to be removed passage head, uses feed flow certainly
Support to be torn open is drawn shifting by shifting mode, and coordinates winch to help and hydraulic prop tuning；Need before striking
Multi-section drawing hoist to be installed altogether, for support in work surface support foot to be removed leading face upper, middle and lower portion
Dismounting and beat fortune, depending on concrete winch quantity is according to tendency length corresponding to work surface, along with tearing open of support
Except winch needs, the most upwards crossheading direction is moved or is directly removed, and utilizes the winch at rear.
Below in conjunction with specific embodiment, technical scheme is described in detail:
One, the selection of cover frame and layout
Because the 1st support 11 is completely in lower crossheading 102, after dismounting, do not possess cover frame condition in place, therefore
1st support 11 is directly hauled entrucking after removing and is beaten away, and concrete method for dismounting is as follows: tears frame winch 109 open and passes through
10t leading block 103 elapses head with the 1st support 11 and is connected, and anti-down winch 104 is by ￠ 22*86 anchor chain
It is connected with the 1st support 11 dead post of column, the tensioning of anti-down winch 104, connect interim liquid feeding pipeline, far control behaviour
Make to depart from the 1st support fall frame top board to extreme lower position, tear frame winch 109 open and pull the 1st support 11, make the
1 support 1 displacement, anti-down winch 104 coordinates tensioning anti-down, and two winches coordinate, and are taken out by the 1st support 11
Go out frame nest, use hydraulic prop (hereinafter referred to as monomer) remote-control operation to coordinate the 1st support 11 tuning
Parallel with rib, the 1st support 11 removes signal as shown in Figure 2.That mentions in literary composition tears frame and anti-down winch open
Being the function according to this winch, artificially defined title, is the winch of different model in reality, and mine is used
Most be exactly drawing hoist, this model winch capacity is big, it is adaptable to main equipment draw shifting, transport.
First cover frame selects:
Because cover frame rear length in place is at about 6m, therefore select to remove the 4th support 14 as the first cover frame
21 use, and according to the method removing the 1st support 11 the 4th support 14 remove tuning parallel with rib, make
Coordinate with monomer and the 4th support 14 is used as the first cover frame 21 to liter strength to rib, position such as Fig. 3
Shown in.
Second cover frame selects:
Use as the second cover frame 22 after the 3rd support 13 being removed according to the method removing the 4th support 14,
Second cover frame 22 is close to the first cover frame 21, it is ensured that first, second cover frame 21,22 supporting side by side is led to
Road top board, the second cover frame forms signal as shown in Figure 4.
3rd cover frame selects:
2nd support 12 is removed and is used as the 3rd cover frame 23, and after the 3rd cover frame 23 is formed, the 3rd covers
Retaining frame 23 is concordant, as shown in Figure 5 by old man's lateral edges and the 5th support 15 front column.
Two, cover frame draws shifting
As a example by removing the 5th support 15, the 5th support 15 uses system winch to coordinate support edge after removing
Base plate haul is beaten away, then will remove use specification in after-poppet frame nest be length × width x thickness=1600 × 160 ×
The guidance tape of 160mm coordinates the circle of proper height to expect to beat to move towards marguise 106, and moving towards marguise 106 structure is a beam two
Post, supporting old man side top board.Then use winch to draw shifting cover frame, draw shifting order be the 3rd cover frame 23 →
Second cover frame 22 → the first cover frame 21, wherein second, third cover frame 22,23 draws one step pitch of shifting
(1.5m), the first cover frame draws 2 step pitches (3m) of shifting, make first, second, third cover frame 21,22,
23 is close to the 6th support 16 direction.Cover frame draws shifting signal as shown in Fig. 6,7,8.
Three, cover frame is removed
Support to be torn open all remove after according to the 3rd cover frame 23 → the second cover frame 22 → the first cover frame
The orderly release cover frame of 21.
Four, the roof control after support removing
Three cover frame the most complete front top plate in place management:
At the 1st support 11 position and lower crossheading mouth two grillages 105 of erection after 1st support 11 dismounting, the 4th
The guidance tape that support 14 uses specification to be length × width x thickness=1600 × 160 × 160mm after removing in frame nest coordinates
The circle material of proper height is beaten and is moved towards marguise 106.Old man's support pattern and the 4th support after 3rd support 103 dismounting
14 dismountings are identical.2nd support 12 sets up grillage 105 supporting roof after removing in frame nest.
Three cover frame rear roof controls in place:
After every pack support is removed, frame nest use near old man side specification be length × width x thickness=1600 × 160 ×
The guidance tape of 160mm coordinates the circle of proper height to expect to beat to move towards marguise 106.Channel side top board is anchor chain net supporting,
Do not use timber strengthening supporting, as shown in Fig. 6,7,8.
Last three framves are removed and cover frame is removed:
On frame top along mountain I-steel and move towards set-point post 107 below steel I-beam after last three support removing
Or monomer 108, after the 3rd cover frame 23 is removed, moving towards set-point post 107 below steel I-beam, second
Cover frame 22 makes a call to two grillages 105 moving towards steel I-beam position after removing, and makes a call to one work surface is suitable for reading
Grillage 105, after the first shield support 21 is removed, uses a post 107 to replace rib side monomer 108, work
Make the face benefit point post 107 that sporadicly adds suitable for reading and strengthen roof control.As shown in figure 12.
Using three shield supports to support the top board tearing frame region open side by side, cover frame rear does not use support material,
Use in old man side guidance tape to choose and move towards canopy 106, on the one hand supporting the 3rd cover frame 23 side, facilitate the 3rd to cover
Retaining frame 23 draws shifting, alleviates simultaneously and tears frame resistance open, remains old man's wing passage, many ventilation sections, reduces
Old man side temperature.Rear passage need not supporting, saves support material, reduces worker's labor intensity, saves
Remove a large amount of transport timber, held up post, the process procedure of construction circle material, saved manpower, avoid simultaneously and incline greatly
The security threat of timber is transported at angle.Whole demolishing process, except upper and lower termination needs strengthening supporting and old man
Side need to use a little support material, it is not necessary to any support material, and this dismounting face withdraws construction method with in the past
Single shield support is removed technique and is compared, and saves support material at least more than 80%.The minimizing of support material,
Both provided cost savings for ore deposit side, decrease simultaneously material entrucking, transport, unload, the link such as transhipment, have
It is beneficial to save human resources, it is to avoid the security threat of these links.The use of three cover frames, will wait to tear open
The whole top board of stent area has effectively carried out supporting, for running into the rotten net leakage of top board on the downside of frame to be torn open in the past
The situation of net, more convenient process, add construction safety coefficient.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all at this
Any amendment, equivalent and the improvement etc. made within bright spirit and principle, should be included in the present invention
Protection domain within.
Claims (10)
1. a fully-mechanized mining working rack restoring roof timbering construction method, each hydraulic support in work surface from
The most named 1st support in supreme crossheading side, lower crossheading side, the 2nd support, the 3rd support ... n-th
Support, it is characterised in that comprise the steps:
Step 1: will be located in work surface and remove with the 1st support in lower crossheading overlapping region；
Step 2: select the 4th support as the first cover frame, the 4th support is drawn to and rib parallel orientation,
Making the frame head of the 4th support towards upper crossheading, frame tail is towards lower crossheading, and makes the 4th support frame head and the 5th
Frame is concordant；
Step 3: select the 3rd support as the second cover frame, the 3rd support is drawn to and rib parallel orientation,
It is made to be arranged side by side with the first cover frame；
Step 4: select the 2nd support as the 3rd cover frame, the 2nd support is drawn to and rib parallel orientation,
Make it be arranged side by side with first, second cover frame, and make the 3rd cover frame near the side and the 5th of old man side
Support front column is concordant；
Step 5: removed successively crossheading side on the side from lower crossheading one by residue support, simultaneously by first,
Two, the 3rd cover frame upwards crossheading one layback moves, and drawing shifting order is the 3rd cover frame → the second cover frame → the
One cover frame, wherein second, third cover frame often removes a support, draws the distance moving a support width,
First cover frame often removes two supports, draws the distance moving two support widths；
Step 7: after all supports are removed completely, according to the 3rd cover frame → the second cover frame → the first cover frame
Orderly release cover frame.
Fully-mechanized mining working rack restoring roof timbering construction method the most according to claim 1, its feature
It is: in described step 1, after the 1st support removing, at the 1st support origin-location and lower crossheading mouth
One grillage is respectively set.
Fully-mechanized mining working rack restoring roof timbering construction method the most according to claim 1, its feature
It is: in step 2, in 3, the 3rd, after the 4th support removing, the 3rd, at the 4th support origin-location
Be provided for supporting roof moves towards marguise.
Fully-mechanized mining working rack restoring roof timbering construction method the most according to claim 1, its feature
It is: in step 4, after the 2nd support removing, grillage is set at the 2nd support origin-location.
5. according to the fully-mechanized mining working rack restoring roof timbering construction method described in claim 1 or 3, its
It is characterised by: in steps of 5, often removes a support, just arrange by old man's side frame nest position at this support
Move towards marguise.
Fully-mechanized mining working rack restoring roof timbering construction method the most according to claim 5, its feature
It is: after last three support removing of upper crossheading side, arrange multiple at these three support origin-location
Point post or hydraulic prop, each point post or hydraulic prop upper end withstand on frame top along mountain I-steel and trend
On steel I-beam.
Fully-mechanized mining working rack restoring roof timbering construction method the most according to claim 6, its feature
It is: in step 7, after the 3rd cover frame is removed, multiple somes posts is set in the 3rd cover frame origin-location,
Each point post upper end withstands on the moving towards on steel I-beam of frame top.
Fully-mechanized mining working rack restoring roof timbering construction method the most according to claim 7, its feature
It is: in step 7, after the second cover frame is removed, two grillages is set in the second cover frame origin-location.
Fully-mechanized mining working rack restoring roof timbering construction method the most according to claim 8, its feature
It is: in step 7, after the first cover frame is removed, hydraulic prop point post in rib side is replaced,
And at upper crossheading and work surface handover region fragmentary set-point post, strengthen top plate supporting.
Fully-mechanized mining working rack restoring roof timbering construction method the most according to claim 1, its feature
It is: described each cover frame uses drawing hoist to coordinate pulley to carry out drawing shifting and helping, and passes through monomer hydraulic
The direction of cover frame is adjusted by pillar；After cover frame is formed, anchor chain is used to coordinate shackle one end to be fixed on
On first cover frame, the other end is fixed on support to be removed passage head, uses feed flow will wait to tear open from shifting mode
Support draws shifting, and coordinates winch to help and hydraulic prop tuning；Need before striking to treat at work surface
Multi-section drawing hoist is installed in striking frame foot leading face upper, middle and lower portion altogether, for the dismounting of support and beat fortune,
Depending on concrete winch quantity is according to tendency length corresponding to work surface, along with the dismounting winch of support needs constantly
Upwards crossheading direction is moved or is directly removed, and utilizes the winch at rear.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610298365.6A CN105863691A (en) | 2016-05-04 | 2016-05-04 | Fully mechanized coal mining face support retracting roof supporting construction method |
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|---|---|---|---|
| CN201610298365.6A CN105863691A (en) | 2016-05-04 | 2016-05-04 | Fully mechanized coal mining face support retracting roof supporting construction method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107035396A (en) * | 2017-06-15 | 2017-08-11 | 淮南矿业(集团)有限责任公司 | The formula of moving back tears frame way of escape management method open under a kind of high inclination-angle bottom area fully-mechanized mining working |
| CN107130990A (en) * | 2017-06-09 | 2017-09-05 | 淮南矿业(集团)有限责任公司 | A kind of large-mining-height working surface tears frame method open |
| CN108049897A (en) * | 2017-12-05 | 2018-05-18 | 淮南矿业(集团)有限责任公司 | Construction technology is withdrawn from the fully-mechanized mining working for moving crossbeam and move certainly crossbeam using this |
| CN109083663A (en) * | 2018-08-24 | 2018-12-25 | 淮北矿业股份有限公司 | A kind of dismounting device for underground coal mine fully-mechanized mining working |
| CN112012772A (en) * | 2020-07-15 | 2020-12-01 | 陕西麟北煤业开发有限责任公司 | Technical method for replacing hydraulic support shield beam of coal mine 1012001 fully mechanized caving face |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3889475A (en) * | 1973-01-26 | 1975-06-17 | Gullick Dobson Ltd | Mine roof supports |
| CN101975072A (en) * | 2010-09-13 | 2011-02-16 | 山西晋城无烟煤矿业集团有限责任公司 | Recovery method of common combined mining working face hydraulic support |
| CN102003188A (en) * | 2010-09-13 | 2011-04-06 | 山西晋城无烟煤矿业集团有限责任公司 | Method for supporting triangular area in coal mine support-dismantling process |
| CN102086769A (en) * | 2010-12-15 | 2011-06-08 | 中国神华能源股份有限公司 | Method for retracting hydraulic support by utilizing four shield supports |
| CN102900444A (en) * | 2012-09-10 | 2013-01-30 | 山西晋城无烟煤矿业集团有限责任公司 | Improved withdrawing technology for hydraulic supports on fully mechanized coal face |
| CN104895592A (en) * | 2015-05-26 | 2015-09-09 | 神华集团有限责任公司 | Fully-mechanized coal mining and caving face support retracement supporting method |
| CN105134270A (en) * | 2015-08-06 | 2015-12-09 | 李连祥 | Fully mechanized mining work surface support retract method |
-
2016
- 2016-05-04 CN CN201610298365.6A patent/CN105863691A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3889475A (en) * | 1973-01-26 | 1975-06-17 | Gullick Dobson Ltd | Mine roof supports |
| CN101975072A (en) * | 2010-09-13 | 2011-02-16 | 山西晋城无烟煤矿业集团有限责任公司 | Recovery method of common combined mining working face hydraulic support |
| CN102003188A (en) * | 2010-09-13 | 2011-04-06 | 山西晋城无烟煤矿业集团有限责任公司 | Method for supporting triangular area in coal mine support-dismantling process |
| CN102086769A (en) * | 2010-12-15 | 2011-06-08 | 中国神华能源股份有限公司 | Method for retracting hydraulic support by utilizing four shield supports |
| CN102900444A (en) * | 2012-09-10 | 2013-01-30 | 山西晋城无烟煤矿业集团有限责任公司 | Improved withdrawing technology for hydraulic supports on fully mechanized coal face |
| CN104895592A (en) * | 2015-05-26 | 2015-09-09 | 神华集团有限责任公司 | Fully-mechanized coal mining and caving face support retracement supporting method |
| CN105134270A (en) * | 2015-08-06 | 2015-12-09 | 李连祥 | Fully mechanized mining work surface support retract method |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107130990A (en) * | 2017-06-09 | 2017-09-05 | 淮南矿业(集团)有限责任公司 | A kind of large-mining-height working surface tears frame method open |
| CN107035396A (en) * | 2017-06-15 | 2017-08-11 | 淮南矿业(集团)有限责任公司 | The formula of moving back tears frame way of escape management method open under a kind of high inclination-angle bottom area fully-mechanized mining working |
| CN108049897A (en) * | 2017-12-05 | 2018-05-18 | 淮南矿业(集团)有限责任公司 | Construction technology is withdrawn from the fully-mechanized mining working for moving crossbeam and move certainly crossbeam using this |
| CN109083663A (en) * | 2018-08-24 | 2018-12-25 | 淮北矿业股份有限公司 | A kind of dismounting device for underground coal mine fully-mechanized mining working |
| CN112012772A (en) * | 2020-07-15 | 2020-12-01 | 陕西麟北煤业开发有限责任公司 | Technical method for replacing hydraulic support shield beam of coal mine 1012001 fully mechanized caving face |
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